#if defined(__x86_64__) || defined(__aarch64__)
	#pragma GCC optimize("no-inline")
    #include <alloca.h>
	
	#define Too_Small_Time (2*HZ)
	struct tms      time_info;
	#define Start_Timer() times(&time_info); Begin_Time=(long)time_info.tms_utime
	#define Stop_Timer()  times(&time_info); End_Time = (long)time_info.tms_utime
#endif


#include "dhrystone.h"
#include "../bench_cross.h"


void debug_printf(const char *str, ...);

Rec_Pointer Ptr_Glob,
    Next_Ptr_Glob;
int Int_Glob;
Boolean Bool_Glob;
char Ch_1_Glob,
    Ch_2_Glob;
int Arr_1_Glob[50];
int Arr_2_Glob[50][50];

Enumeration Func_1(Capital_Letter Ch_1_Par_Val, Capital_Letter Ch_2_Par_Val);
Boolean Func_2(Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref);
Boolean Func_3(Enumeration Enum_Par_Val);

#ifndef REG
Boolean Reg = false;
#define REG
/* REG becomes defined as empty */
/* i.e. no register variables   */
#else
Boolean Reg = true;
#undef REG
#define REG register
#endif

Boolean Done;

long Begin_Time,
    End_Time,
    User_Time;
long Microseconds,
    Dhrystones_Per_Second;

void Proc_1(REG Rec_Pointer Ptr_Val_Par);
void Proc_2(One_Fifty *Int_Par_Ref);
void Proc_3(Rec_Pointer *Ptr_Ref_Par);
void Proc_4(void);
void Proc_5(void);
void Proc_6(Enumeration Enum_Val_Par, Enumeration *Enum_Ref_Par);
void Proc_7(One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val, One_Fifty *Int_Par_Ref);
void Proc_8(Arr_1_Dim Arr_1_Par_Ref, Arr_2_Dim Arr_2_Par_Ref, int Int_1_Par_Val, int Int_2_Par_Val);

void Proc_1(REG Rec_Pointer Ptr_Val_Par)
{
    REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;
    /* == Ptr_Glob_Next */
    /* Local variable, initialized with Ptr_Val_Par->Ptr_Comp,    */
    /* corresponds to "rename" in Ada, "with" in Pascal           */

    structassign(*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);
    Ptr_Val_Par->variant.var_1.Int_Comp = 5;
    Next_Record->variant.var_1.Int_Comp = Ptr_Val_Par->variant.var_1.Int_Comp;
    Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;
    Proc_3(&Next_Record->Ptr_Comp);
    /* Ptr_Val_Par->Ptr_Comp->Ptr_Comp
                        == Ptr_Glob->Ptr_Comp */
    if (Next_Record->Discr == Ident_1)
    /* then, executed */
    {
        Next_Record->variant.var_1.Int_Comp = 6;
        Proc_6(Ptr_Val_Par->variant.var_1.Enum_Comp,
               &Next_Record->variant.var_1.Enum_Comp);
        Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;
        Proc_7(Next_Record->variant.var_1.Int_Comp, 10,
               &Next_Record->variant.var_1.Int_Comp);
    }
    else /* not executed */
        structassign(*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);
} /* Proc_1 */

void Proc_2(One_Fifty *Int_Par_Ref)
{
    One_Fifty Int_Loc;
    Enumeration Enum_Loc;

    Int_Loc = *Int_Par_Ref + 10;
    do /* executed once */
        if (Ch_1_Glob == 'A')
        /* then, executed */
        {
            Int_Loc -= 1;
            *Int_Par_Ref = Int_Loc - Int_Glob;
            Enum_Loc = Ident_1;
        }                        /* if */
    while (Enum_Loc != Ident_1); /* true */
} /* Proc_2 */

void Proc_3(Rec_Pointer *Ptr_Ref_Par)
{
    if (Ptr_Glob != Null)
        /* then, executed */
        *Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;
    Proc_7(10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
} /* Proc_3 */

void Proc_4(void)
{
    Boolean Bool_Loc;

    Bool_Loc = Ch_1_Glob == 'A';
    Bool_Glob = Bool_Loc | Bool_Glob;
    Ch_2_Glob = 'B';
} /* Proc_4 */

void Proc_5(void)
{
    Ch_1_Glob = 'A';
    Bool_Glob = false;
} /* Proc_5 */

#ifndef REG
#define REG
/* REG becomes defined as empty */
/* i.e. no register variables   */
#else
#undef REG
#define REG register
#endif

extern int Int_Glob;
extern char Ch_1_Glob;

void Proc_6(Enumeration Enum_Val_Par, Enumeration *Enum_Ref_Par)
{
    *Enum_Ref_Par = Enum_Val_Par;
    if (!Func_3(Enum_Val_Par))
        /* then, not executed */
        *Enum_Ref_Par = Ident_4;
    switch (Enum_Val_Par)
    {
    case Ident_1:
        *Enum_Ref_Par = Ident_1;
        break;
    case Ident_2:
        if (Int_Glob > 100)
            /* then */
            *Enum_Ref_Par = Ident_1;
        else
            *Enum_Ref_Par = Ident_4;
        break;
    case Ident_3: /* executed */
        *Enum_Ref_Par = Ident_2;
        break;
    case Ident_4:
        break;
    case Ident_5:
        *Enum_Ref_Par = Ident_3;
        break;
    } /* switch */
} /* Proc_6 */

void Proc_7(One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val, One_Fifty *Int_Par_Ref)
{
    One_Fifty Int_Loc;

    Int_Loc = Int_1_Par_Val + 2;
    *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
} /* Proc_7 */

void Proc_8(Arr_1_Dim Arr_1_Par_Ref, Arr_2_Dim Arr_2_Par_Ref, int Int_1_Par_Val, int Int_2_Par_Val)
{
    REG One_Fifty Int_Index;
    REG One_Fifty Int_Loc;

    Int_Loc = Int_1_Par_Val + 5;
    Arr_1_Par_Ref[Int_Loc] = Int_2_Par_Val;
    Arr_1_Par_Ref[Int_Loc + 1] = Arr_1_Par_Ref[Int_Loc];
    Arr_1_Par_Ref[Int_Loc + 30] = Int_Loc;
    for (Int_Index = Int_Loc; Int_Index <= Int_Loc + 1; ++Int_Index)
        Arr_2_Par_Ref[Int_Loc][Int_Index] = Int_Loc;
    Arr_2_Par_Ref[Int_Loc][Int_Loc - 1] += 1;
    Arr_2_Par_Ref[Int_Loc + 20][Int_Loc] = Arr_1_Par_Ref[Int_Loc];
    Int_Glob = 5;
} /* Proc_8 */

Enumeration Func_1(Capital_Letter Ch_1_Par_Val, Capital_Letter Ch_2_Par_Val)
{
    Capital_Letter Ch_1_Loc;
    Capital_Letter Ch_2_Loc;

    Ch_1_Loc = Ch_1_Par_Val;
    Ch_2_Loc = Ch_1_Loc;
    if (Ch_2_Loc != Ch_2_Par_Val)
        /* then, executed */
        return (Ident_1);
    else /* not executed */
    {
        Ch_1_Glob = Ch_1_Loc;
        return (Ident_2);
    }
} /* Func_1 */

Boolean Func_2(Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref)
{
    REG One_Thirty Int_Loc;
    Capital_Letter Ch_Loc;

    Int_Loc = 2;
    while (Int_Loc <= 2) /* loop body executed once */
        if (Func_1(Str_1_Par_Ref[Int_Loc],
                   Str_2_Par_Ref[Int_Loc + 1]) == Ident_1)
        /* then, executed */
        {
            Ch_Loc = 'A';
            Int_Loc += 1;
        } /* if, while */
    if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
        /* then, not executed */
        Int_Loc = 7;
    if (Ch_Loc == 'R')
        /* then, not executed */
        return (true);
    else /* executed */
    {
        if (strcmp(Str_1_Par_Ref, Str_2_Par_Ref) > 0)
        /* then, not executed */
        {
            Int_Loc += 7;
            Int_Glob = Int_Loc;
            return (true);
        }
        else /* executed */
            return (false);
    } /* if Ch_Loc */
} /* Func_2 */

Boolean Func_3(Enumeration Enum_Par_Val)
{
    Enumeration Enum_Loc;

    Enum_Loc = Enum_Par_Val;
    if (Enum_Loc == Ident_3)
        /* then, executed */
        return (true);
    else /* not executed */
        return (false);
} /* Func_3 */

#if defined(__x86_64__) || defined(__aarch64__)
	#define debug_printf printf
#elif defined(__riscv)
	#define debug_printf(...) flexio_dev_msg(stream_id, FLEXIO_MSG_DEV_INFO, __VA_ARGS__)
#endif

int dhrystone_bench(int stream_id)
{
    One_Fifty Int_1_Loc;
    REG One_Fifty Int_2_Loc;
    One_Fifty Int_3_Loc;
    REG char Ch_Index;
    Enumeration Enum_Loc;
    Str_30 Str_1_Loc;
    Str_30 Str_2_Loc;
    REG int Run_Index;
    REG int Number_Of_Runs;

    /* Arguments */
    #if defined(__x86_64__) || defined(__aarch64__)
        Number_Of_Runs = 50000000;
    #elif defined(__riscv)
        Number_Of_Runs = DPA_DHRYSTONE_NUMBER_OF_RUNS;//500000 for dpa thread, around 2-4 seconds
    #endif

    /* Initializations */

    #if defined(__x86_64__) || defined(__aarch64__)
        Next_Ptr_Glob = (Rec_Pointer)alloca(sizeof(Rec_Type));
        Ptr_Glob = (Rec_Pointer)alloca(sizeof(Rec_Type));
    #elif defined(__riscv)
        Rec_Type temp0, temp1;
        Next_Ptr_Glob = (Rec_Pointer)&temp0;
        Ptr_Glob = (Rec_Pointer)&temp1;
    #endif

    Ptr_Glob->Ptr_Comp = Next_Ptr_Glob;
    Ptr_Glob->Discr = Ident_1;
    Ptr_Glob->variant.var_1.Enum_Comp = Ident_3;
    Ptr_Glob->variant.var_1.Int_Comp = 40;
    strcpy(Ptr_Glob->variant.var_1.Str_Comp,
           "DHRYSTONE PROGRAM, SOME STRING");
    strcpy(Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");

    Arr_2_Glob[8][7] = 10;
    /* Was missing in published program. Without this statement,    */
    /* Arr_2_Glob [8][7] would have an undefined value.             */
    /* Warning: With 16-Bit processors and Number_Of_Runs > 32000,  */
    /* overflow may occur for this array element.                   */

    debug_printf("\n");
    debug_printf("Dhrystone Benchmark, Version %s\n", Version);
    if (Reg)
    {
        debug_printf("Program compiled with 'register' attribute\n");
    }
    else
    {
        debug_printf("Program compiled without 'register' attribute\n");
    }
    debug_printf("Using %s, HZ=%d\n", CLOCK_TYPE, HZ);
    debug_printf("\n");

    Done = false;
    while (!Done)
    {
        debug_printf("Trying %d runs through Dhrystone:\n", Number_Of_Runs);

        /***************/
        /* Start timer */
        /***************/

        // setStats(1);
        Start_Timer();

        for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index)
        {

            Proc_5();
            Proc_4();
            /* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */
            Int_1_Loc = 2;
            Int_2_Loc = 3;
            strcpy(Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
            Enum_Loc = Ident_2;
            Bool_Glob = !Func_2(Str_1_Loc, Str_2_Loc);
            /* Bool_Glob == 1 */
            while (Int_1_Loc < Int_2_Loc) /* loop body executed once */
            {
                Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
                /* Int_3_Loc == 7 */
                Proc_7(Int_1_Loc, Int_2_Loc, &Int_3_Loc);
                /* Int_3_Loc == 7 */
                Int_1_Loc += 1;
            } /* while */
              /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
            Proc_8(Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
            /* Int_Glob == 5 */
            Proc_1(Ptr_Glob);
            for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
            /* loop body executed twice */
            {
                if (Enum_Loc == Func_1(Ch_Index, 'C'))
                /* then, not executed */
                {
                    Proc_6(Ident_1, &Enum_Loc);
                    strcpy(Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
                    Int_2_Loc = Run_Index;
                    Int_Glob = Run_Index;
                }
            }
            /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
            Int_2_Loc = Int_2_Loc * Int_1_Loc;
            Int_1_Loc = Int_2_Loc / Int_3_Loc;
            Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
            /* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */
            Proc_2(&Int_1_Loc);
            /* Int_1_Loc == 5 */

        } /* loop "for Run_Index" */

        /**************/
        /* Stop timer */
        /**************/

        Stop_Timer();
        // setStats(0);

        User_Time = End_Time - Begin_Time;

        // if (User_Time < Too_Small_Time)
        // {
        //     debug_printf("Measured time too small to obtain meaningful results\n");
        //     Number_Of_Runs = Number_Of_Runs * 10;
        //     debug_printf("\n");
        // }
        // else
        Done = true;
    }

    debug_printf("Final values of the variables used in the benchmark:\n");
    debug_printf("\n");
    debug_printf("Int_Glob:            %d\n", Int_Glob);
    debug_printf("        should be:   %d\n", 5);
    debug_printf("Bool_Glob:           %d\n", Bool_Glob);
    debug_printf("        should be:   %d\n", 1);
    debug_printf("Ch_1_Glob:           %c\n", Ch_1_Glob);
    debug_printf("        should be:   %c\n", 'A');
    debug_printf("Ch_2_Glob:           %c\n", Ch_2_Glob);
    debug_printf("        should be:   %c\n", 'B');
    debug_printf("Arr_1_Glob[8]:       %d\n", Arr_1_Glob[8]);
    debug_printf("        should be:   %d\n", 7);
    debug_printf("Arr_2_Glob[8][7]:    %d\n", Arr_2_Glob[8][7]);
    debug_printf("        should be:   Number_Of_Runs + 10\n");
    debug_printf("Ptr_Glob->\n");
    debug_printf("  Ptr_Comp:          %ld\n", (long)Ptr_Glob->Ptr_Comp);
    debug_printf("        should be:   (implementation-dependent)\n");
    debug_printf("  Discr:             %d\n", Ptr_Glob->Discr);
    debug_printf("        should be:   %d\n", 0);
    debug_printf("  Enum_Comp:         %d\n", Ptr_Glob->variant.var_1.Enum_Comp);
    debug_printf("        should be:   %d\n", 2);
    debug_printf("  Int_Comp:          %d\n", Ptr_Glob->variant.var_1.Int_Comp);
    debug_printf("        should be:   %d\n", 17);
    debug_printf("  Str_Comp:          %s\n", Ptr_Glob->variant.var_1.Str_Comp);
    debug_printf("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");
    debug_printf("Next_Ptr_Glob->\n");
    debug_printf("  Ptr_Comp:          %ld\n", (long)Next_Ptr_Glob->Ptr_Comp);
    debug_printf("        should be:   (implementation-dependent), same as above\n");
    debug_printf("  Discr:             %d\n", Next_Ptr_Glob->Discr);
    debug_printf("        should be:   %d\n", 0);
    debug_printf("  Enum_Comp:         %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
    debug_printf("        should be:   %d\n", 1);
    debug_printf("  Int_Comp:          %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);
    debug_printf("        should be:   %d\n", 18);
    debug_printf("  Str_Comp:          %s\n",
                 Next_Ptr_Glob->variant.var_1.Str_Comp);
    debug_printf("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");
    debug_printf("Int_1_Loc:           %d\n", Int_1_Loc);
    debug_printf("        should be:   %d\n", 5);
    debug_printf("Int_2_Loc:           %d\n", Int_2_Loc);
    debug_printf("        should be:   %d\n", 13);
    debug_printf("Int_3_Loc:           %d\n", Int_3_Loc);
    debug_printf("        should be:   %d\n", 7);
    debug_printf("Enum_Loc:            %d\n", Enum_Loc);
    debug_printf("        should be:   %d\n", 1);
    debug_printf("Str_1_Loc:           %s\n", Str_1_Loc);
    debug_printf("        should be:   DHRYSTONE PROGRAM, 1'ST STRING\n");
    debug_printf("Str_2_Loc:           %s\n", Str_2_Loc);
    debug_printf("        should be:   DHRYSTONE PROGRAM, 2'ND STRING\n");
    debug_printf("\n");

    Microseconds = ((User_Time / Number_Of_Runs) * Mic_secs_Per_Second) / HZ;
    Dhrystones_Per_Second = (1UL * HZ * Number_Of_Runs) / User_Time;

    debug_printf("%d\n", Number_Of_Runs);
    debug_printf("%ld\n", User_Time);
    debug_printf("%d\n", Mic_secs_Per_Second);
    debug_printf("%d\n", HZ);

    debug_printf("Microseconds for one run through Dhrystone: %ld\n", Microseconds);
    debug_printf("Dhrystones per Second:                      %ld\n", Dhrystones_Per_Second);

    return 0;
}
